Get correct week number in .NET

November 20, 2009 Morgan ASP.NET C# Snippet

A nice piece of code submitted by Morgan Johansson for getting the correct week number for your region (in this sample code Sweden ("se-SE"):

public int GetWeekNo(DateTime date) {
   System.Globalization.CultureInfo cult_info = System.Globalization.CultureInfo.CreateSpecificCulture("se-SE");
   System.Globalization.Calendar cal = cult_info.Calendar;
   int weekNo = cal.GetWeekOfYear(date, cult_info.DateTimeFormat.CalendarWeekRule, cult_info.DateTimeFormat.FirstDayOfWeek);
   return weekNo;
}

Get correct week number in .NET

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